LIST OF THE WOOD-CUTS. 



IX 



39. Idyia somewhat older than Fig. 37 



40. Idyia still older 



41. Young Bolina in stage resembling Pleurobrachia 



42. Young Bolina seen from the broad side 



43. Young Bolina seen from the narrow side 



44. Cyanea arctica 



45. Scyphistoma of Aurelia (Agassiz) . 



46. Scyphistoma older than Fig. 45 (Agassiz) . 



47. Strobila of Aurelia (Agassiz) . 



48. Ephyra of Aurelia (Agassiz) 



49. Aurelia flavidula seen in profile (Agassiz) 

 60. Aurelia seen from above (Agassiz) 



51. Campanella pachyderma 



52. The same from below 



53. Trachynema digitale .... 



54. Haliclystus auricula .... 



55. Lucernaria seen from the mouth side 



56. Young Lucernaria 



57. Hydrarium of Eucope diaphana . 



58. Magnified portion of Fig. 57 . . . 



59. Part of marginal tentacles of Eucope 



60. Young Eucope 



61. Adult Eucope, profile .... 



62. Quarter-disk of Fig. 60 ... . 



63. Quarter-disk of Eucope older than Fig. G2 



64. Quarter-disk of adult Eucope 



65. Oceania languida just escaped from the reproductive calycle 



66. Same as Fig. 65 from below 



67. Young Oceania older than Fig. 65 . 

 Diagram of succession of tentacles 



68. Adult Oceania 



69. Attitude assumed by Oceania .... 



70. Clytia bicophora escaped from reproductive calycle 



71. Somewhat older than Fig. 70 ... . 



72. Magnified portion of Hydrarium of Clytia 



73. Adult Clytia 



74. Zygodactyla groenlandica 



75. The same seen in profile 



76. TiMA FORMOSA 



77. One of the lips of the mouth 



78. Head of Hydrarium of Tima 



79. Melicertum campanula from 



80. The same seen in profile . 



81. Planula of Melicertum 



82. Cluster of planulai . 



above (Agassiz) 



36 

 36 



37 

 37 

 37 



40 

 41 

 41 

 41 

 42 

 42 

 43 

 44 

 44 

 45 

 46 

 47 

 48 

 50 

 50 

 51 

 51 

 51 

 51 

 52 

 52 

 53 

 53 

 54 

 54 

 55 

 56 

 57 

 57 

 57 

 57 

 58 

 59 

 61 

 61 

 62 

 63 

 64 

 65 

 65 



